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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.104 by root, Sat Dec 30 16:56:16 2006 UTC vs.
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
		20	use Coro::AIO;
18		21
		22	use BDB ();
		23	use Data::Dumper;
		24	use Digest::MD5;
		25	use Fcntl;
19	use IO::AIO 2.3;	26	use IO::AIO 2.32 ();
20	use YAML::Syck ();	27	use YAML::Syck ();
21	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
22		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
24		36
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
27		39
28	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		41
32	our %COMMAND = ();	42	our %COMMAND = ();
33	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
34	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
35		49
		50	our $RELOAD; # number of reloads so far
36	our @EVENT;	51	our @EVENT;
37	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
38		53
39	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
40	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
41	our $NEXT_TICK;	58	our $NEXT_TICK;
42	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
43		64
44	our %CFG;	65	our %CFG;
45		66
46	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
47	our $RUNTIME;	68	our $RUNTIME;
48		69
		70	our %PLAYER; # all users
49	our %MAP; # all maps	71	our %MAP; # all maps
50	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
51	our $FREEZE;	73	our $RANDOM_MAPS = cf::localdir . "/random";
		74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
52		81
53	binmode STDOUT;	82	binmode STDOUT;
54	binmode STDERR;	83	binmode STDERR;
55		84
56	# read virtual server time, if available	85	# read virtual server time, if available
…		…
62		91
63	mkdir cf::localdir;	92	mkdir cf::localdir;
64	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
65	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
66	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
		96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
67		98
68	our %EXT_CORO;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
69		102
70	#############################################################################	103	#############################################################################
71		104
72	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
73		106
…		…
97		130
98	=item %cf::CFG	131	=item %cf::CFG
99		132
100	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
101	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
102		142
103	=back	143	=back
104		144
105	=cut	145	=cut
106		146
…		…
110	utf8::encode $msg;	150	utf8::encode $msg;
111		151
112	$msg .= "\n"	152	$msg .= "\n"
113	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
114		154
115	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
116	};	156	};
117	}	157	}
118		158
119	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
120	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
138		178
139	$Event::DIED = sub {	179	$Event::DIED = sub {
140	warn "error in event callback: @_";	180	warn "error in event callback: @_";
141	};	181	};
142		182
143	my %ext_pkg;
144	my @exts;
145	my @hook;
146
147	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
148		184
149	=over 4	185	=over 4
150		186
		187	=item dumpval $ref
		188
151	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
152		209
153	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
154		211
155	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
156		213
…		…
172	sub to_json($) {	229	sub to_json($) {
173	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
174	JSON::Syck::Dump $_[0]	231	JSON::Syck::Dump $_[0]
175	}	232	}
176		233
		234	=item cf::lock_wait $string
		235
		236	Wait until the given lock is available. See cf::lock_acquire.
		237
		238	=item my $lock = cf::lock_acquire $string
		239
		240	Wait until the given lock is available and then acquires it and returns
		241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		242	for example when the coroutine gets canceled), the lock is automatically
		243	returned.
		244
		245	Lock names should begin with a unique identifier (for example, cf::map::find
		246	uses map_find and cf::map::load uses map_load).
		247
		248	=cut
		249
		250	our %LOCK;
		251
		252	sub lock_wait($) {
		253	my ($key) = @_;
		254
		255	# wait for lock, if any
		256	while ($LOCK{$key}) {
		257	push @{ $LOCK{$key} }, $Coro::current;
		258	Coro::schedule;
		259	}
		260	}
		261
		262	sub lock_acquire($) {
		263	my ($key) = @_;
		264
		265	# wait, to be sure we are not locked
		266	lock_wait $key;
		267
		268	$LOCK{$key} = [];
		269
		270	Coro::guard {
		271	# wake up all waiters, to be on the safe side
		272	$_->ready for @{ delete $LOCK{$key} };
		273	}
		274	}
		275
		276	sub freeze_mainloop {
		277	return unless $TICK_WATCHER->is_active;
		278
		279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
		282	$TICK_WATCHER->stop;
		283	$guard
		284	}
		285
		286	=item cf::async { BLOCK }
		287
		288	Currently the same as Coro::async_pool, meaning you cannot use
		289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		290	thing you are allowed to do is call C<prio> on it.
		291
		292	=cut
		293
		294	BEGIN { *async = \&Coro::async_pool }
		295
		296	=item cf::sync_job { BLOCK }
		297
		298	The design of crossfire+ requires that the main coro ($Coro::main) is
		299	always able to handle events or runnable, as crossfire+ is only partly
		300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		301
		302	If it must be done, put the blocking parts into C<sync_job>. This will run
		303	the given BLOCK in another coroutine while waiting for the result. The
		304	server will be frozen during this time, so the block should either finish
		305	fast or be very important.
		306
		307	=cut
		308
		309	sub sync_job(&) {
		310	my ($job) = @_;
		311
		312	if ($Coro::current == $Coro::main) {
		313	# this is the main coro, too bad, we have to block
		314	# till the operation succeeds, freezing the server :/
		315
		316	# TODO: use suspend/resume instead
		317	# (but this is cancel-safe)
		318	my $freeze_guard = freeze_mainloop;
		319
		320	my $busy = 1;
		321	my @res;
		322
		323	(async {
		324	@res = eval { $job->() };
		325	warn $@ if $@;
		326	undef $busy;
		327	})->prio (Coro::PRIO_MAX);
		328
		329	while ($busy) {
		330	Coro::cede or Event::one_event;
		331	}
		332
		333	wantarray ? @res : $res[0]
		334	} else {
		335	# we are in another coroutine, how wonderful, everything just works
		336
		337	$job->()
		338	}
		339	}
		340
177	=item $coro = cf::coro { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
178		342
179	Creates and returns a new coro. This coro is automcatially being canceled	343	Like async, but this coro is automatically being canceled when the
180	when the extension calling this is being unloaded.	344	extension calling this is being unloaded.
181		345
182	=cut	346	=cut
183		347
184	sub coro(&) {	348	sub async_ext(&) {
185	my $cb = shift;	349	my $cb = shift;
186		350
187	my $coro; $coro = async {	351	my $coro = &Coro::async ($cb);
188	eval {
189	$cb->();
190	};
191	warn $@ if $@;
192	};
193		352
194	$coro->on_destroy (sub {	353	$coro->on_destroy (sub {
195	delete $EXT_CORO{$coro+0};	354	delete $EXT_CORO{$coro+0};
196	});	355	});
197	$EXT_CORO{$coro+0} = $coro;	356	$EXT_CORO{$coro+0} = $coro;
198		357
199	$coro	358	$coro
		359	}
		360
		361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
		364	my $runtime = cf::localdir . "/runtime";
		365
		366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		367	or return;
		368
		369	my $value = $cf::RUNTIME + 90 + 10;
		370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
		373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		374	and return;
		375
		376	# always fsync - this file is important
		377	aio_fsync $fh
		378	and return;
		379
		380	close $fh
		381	or return;
		382
		383	aio_rename "$runtime~", $runtime
		384	and return;
		385
		386	1
200	}	387	}
201		388
202	=back	389	=back
203		390
204	=cut	391	=cut
…		…
335	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
336	our @CB_MAP = ();	523	our @CB_MAP = ();
337		524
338	my %attachment;	525	my %attachment;
339		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
340	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
341	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
342		535
343	use sort 'stable';	536	use sort 'stable';
344		537
…		…
515	# object support	708	# object support
516		709
517	sub reattach {	710	sub reattach {
518	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
519	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
520		715
521	my $registry = $obj->registry;	716	my $registry = $obj->registry;
522		717
523	@$registry = ();	718	@$registry = ();
524		719
…		…
563	);	758	);
564		759
565	sub object_freezer_save {	760	sub object_freezer_save {
566	my ($filename, $rdata, $objs) = @_;	761	my ($filename, $rdata, $objs) = @_;
567		762
		763	sync_job {
568	if (length $$rdata) {	764	if (length $$rdata) {
569	warn sprintf "saving %s (%d,%d)\n",	765	warn sprintf "saving %s (%d,%d)\n",
570	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
571		767
572	if (open my $fh, ">:raw", "$filename~") {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
573	chmod SAVE_MODE, $fh;
574	syswrite $fh, $$rdata;
575	close $fh;
576
577	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
578	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
579	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		771	aio_fsync $fh if $cf::USE_FSYNC;
580	close $fh;	772	close $fh;
		773
		774	if (@$objs) {
		775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		776	chmod SAVE_MODE, $fh;
		777	my $data = Storable::nfreeze { version => 1, objs => $objs };
		778	aio_write $fh, 0, (length $data), $data, 0;
		779	aio_fsync $fh if $cf::USE_FSYNC;
		780	close $fh;
581	rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
		782	}
		783	} else {
		784	aio_unlink "$filename.pst";
		785	}
		786
		787	aio_rename "$filename~", $filename;
582	} else {	788	} else {
583	unlink "$filename.pst";	789	warn "FATAL: $filename~: $!\n";
584	}	790	}
585
586	rename "$filename~", $filename;
587	} else {	791	} else {
588	warn "FATAL: $filename~: $!\n";
589	}
590	} else {
591	unlink $filename;	792	aio_unlink $filename;
592	unlink "$filename.pst";	793	aio_unlink "$filename.pst";
		794	}
593	}	795	}
594	}	796	}
595		797
596	sub object_freezer_as_string {	798	sub object_freezer_as_string {
597	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
602	}	804	}
603		805
604	sub object_thawer_load {	806	sub object_thawer_load {
605	my ($filename) = @_;	807	my ($filename) = @_;
606		808
607	local $/;	809	my ($data, $av);
608		810
609	my $av;	811	(aio_load $filename, $data) >= 0
		812	or return;
610		813
611	#TODO: use sysread etc.	814	unless (aio_stat "$filename.pst") {
612	if (open my $data, "<:raw:perlio", $filename) {	815	(aio_load "$filename.pst", $av) >= 0
613	$data = <$data>;	816	or return;
614	if (open my $pst, "<:raw:perlio", "$filename.pst") {
615	$av = eval { (Storable::thaw <$pst>)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
616	}	818	}
		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
617	return ($data, $av);	822	return ($data, $av);
618	}
619
620	()
621	}	823	}
622		824
623	#############################################################################	825	#############################################################################
624	# command handling &c	826	# command handling &c
625		827
…		…
649	=cut	851	=cut
650		852
651	sub register_extcmd {	853	sub register_extcmd {
652	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
653		855
654	my $caller = caller;
655	#warn "registering extcmd '$name' to '$caller'";
656
657	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
658	}	857	}
659		858
660	cf::player->attach (	859	cf::player->attach (
661	on_command => sub {	860	on_command => sub {
662	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
675		874
676	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
677		876
678	if (ref $msg) {	877	if (ref $msg) {
679	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
680	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
681	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
682	}	881	}
683	}	882	}
684	} else {	883	} else {
685	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
687		886
688	cf::override;	887	cf::override;
689	},	888	},
690	);	889	);
691		890
692	sub register {
693	my ($base, $pkg) = @_;
694
695	#TODO
696	}
697
698	sub load_extension {	891	sub load_extension {
699	my ($path) = @_;	892	my ($path) = @_;
700		893
701	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
702	my $base = $1;	895	my $base = $1;
703	my $pkg = $1;	896	my $pkg = $1;
704	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
705	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
706		899
707	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
708		901
709	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
710	or die "$path: $!";	903	or die "$path: $!";
711		904
712	my $source =	905	my $source =
713	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
714	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
715	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
716	. "\n};\n1";	909	. "\n};\n1";
717		910
718	eval $source	911	unless (eval $source) {
719	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
720	: "extension disabled.\n";	913	: "extension disabled.\n";
721		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
722	push @exts, $pkg;	915	warn $@;
723	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
724		917	exit 1;
725	# no strict 'refs';	918	}
726	# @{"$pkg\::ISA"} = ext::;	919	die $@;
727
728	register $base, $pkg;
729	}
730
731	sub unload_extension {
732	my ($pkg) = @_;
733
734	warn "removing extension $pkg\n";
735
736	# remove hooks
737	#TODO
738	# for my $idx (0 .. $#PLUGIN_EVENT) {
739	# delete $hook[$idx]{$pkg};
740	# }	920	}
741		921
742	# remove commands	922	push @EXTS, $pkg;
743	for my $name (keys %COMMAND) {
744	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
745
746	if (@cb) {
747	$COMMAND{$name} = \@cb;
748	} else {
749	delete $COMMAND{$name};
750	}
751	}
752
753	# remove extcmds
754	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
755	delete $EXTCMD{$name};
756	}
757
758	if (my $cb = $pkg->can ("unload")) {
759	eval {
760	$cb->($pkg);
761	1
762	} or warn "$pkg unloaded, but with errors: $@";
763	}
764
765	Symbol::delete_package $pkg;
766	}	923	}
767		924
768	sub load_extensions {	925	sub load_extensions {
769	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
770	next unless -r $ext;	927	next unless -r $ext;
…		…
774	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
775	}	932	}
776	}	933	}
777		934
778	#############################################################################	935	#############################################################################
779	# load/save/clean perl data associated with a map
780		936
781	*cf::mapsupport::on_clean = sub {	937	=head2 CORE EXTENSIONS
		938
		939	Functions and methods that extend core crossfire objects.
		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
		947	=head3 cf::player
		948
		949	=over 4
		950
		951	=item cf::player::find $login
		952
		953	Returns the given player object, loading it if necessary (might block).
		954
		955	=cut
		956
		957	sub playerdir($) {
		958	cf::localdir
		959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
		1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1130
		1131	Sends an ext reply to the player.
		1132
		1133	=cut
		1134
		1135	sub ext_reply($$$%) {
		1136	my ($self, $id, %msg) = @_;
		1137
		1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	package cf;
		1144
		1145	=back
		1146
		1147
		1148	=head3 cf::map
		1149
		1150	=over 4
		1151
		1152	=cut
		1153
		1154	package cf::map;
		1155
		1156	use Fcntl;
		1157	use Coro::AIO;
		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
		1163	our $MAX_RESET = 3600;
		1164	our $DEFAULT_RESET = 3000;
		1165
		1166	sub generate_random_map {
		1167	my ($self, $rmp) = @_;
		1168	# mit "rum" bekleckern, nicht
		1169	$self->_create_random_map (
		1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1173	$rmp->{exit_on_final_map},
		1174	$rmp->{xsize}, $rmp->{ysize},
		1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1311	}
		1312
		1313	# and all this just because we cannot iterate over
		1314	# all maps in C++...
		1315	sub change_all_map_light {
		1316	my ($change) = @_;
		1317
		1318	$_->change_map_light ($change)
		1319	for grep $_->outdoor, values %cf::MAP;
		1320	}
		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
		1330	sub load_header_from($) {
		1331	my ($self, $path) = @_;
		1332
		1333	utf8::encode $path;
		1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
		1338	or return;
		1339
		1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
		1383	or return;
		1384	$self->prepare_orig;
		1385	}
		1386
		1387	1
		1388	}
		1389
		1390	sub find;
		1391	sub find {
		1392	my ($path, $origin) = @_;
		1393
		1394	$path = normalise $path, $origin && $origin->path;
		1395
		1396	cf::lock_wait "map_find:$path";
		1397
		1398	$cf::MAP{$path} || do {
		1399	my $guard = cf::lock_acquire "map_find:$path";
		1400	my $map = new_from_path cf::map $path
		1401	or return;
		1402
		1403	$map->{last_save} = $cf::RUNTIME;
		1404
		1405	$map->load_header
		1406	or return;
		1407
		1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
		1411	$map->reset;
		1412	undef $guard;
		1413	return find $path;
		1414	}
		1415
		1416	$cf::MAP{$path} = $map
		1417	}
		1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
		1422
		1423	sub load {
		1424	my ($self) = @_;
		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
		1428	my $path = $self->{path};
		1429	my $guard = cf::lock_acquire "map_load:$path";
		1430
		1431	return if $self->in_memory != cf::MAP_SWAPPED;
		1432
		1433	$self->in_memory (cf::MAP_LOADING);
		1434
		1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
		1439	$self->_load_objects ($self->{load_path}, 1)
		1440	or return;
		1441
		1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1443	if delete $self->{load_original};
		1444
		1445	if (my $uniq = $self->uniq_path) {
		1446	utf8::encode $uniq;
		1447	if (aio_open $uniq, O_RDONLY, 0) {
		1448	$self->clear_unique_items;
		1449	$self->_load_objects ($uniq, 0);
		1450	}
		1451	}
		1452
		1453	Coro::cede;
		1454
		1455	# now do the right thing for maps
		1456	$self->link_multipart_objects;
		1457
		1458	unless ($self->{deny_activate}) {
		1459	$self->decay_objects;
		1460	$self->fix_auto_apply;
		1461	$self->update_buttons;
		1462	Coro::cede;
		1463	$self->set_darkness_map;
		1464	$self->difficulty ($self->estimate_difficulty)
		1465	unless $self->difficulty;
		1466	Coro::cede;
		1467	$self->activate;
		1468	}
		1469
		1470	$self->post_load;
		1471
		1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
782	my ($map) = @_;	1486	my ($map) = @_;
783		1487
784	my $path = $map->tmpname;	1488	my @diag; # diagonal neighbours
785	defined $path or return;
786		1489
787	unlink "$path.pst";	1490	for (0 .. 3) {
788	};	1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
789		1496
790	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
791		1500
792	#############################################################################	1501	for (@diag) {
793	# load/save perl data associated with player->ob objects	1502	my $neigh = find @$_
794		1503	or next;
795	sub all_objects(@) {	1504	$neigh->load;
796	@_, map all_objects ($_->inv), @_	1505	}
797	}	1506	}
798		1507
799	# TODO: compatibility cruft, remove when no longer needed	1508	sub find_sync {
800	cf::player->attach (	1509	my ($path, $origin) = @_;
801	on_load => sub {
802	my ($pl, $path) = @_;
803		1510
804	for my $o (all_objects $pl->ob) {	1511	cf::sync_job { find $path, $origin }
805	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1512	}
806	$o->set_ob_key_value ("_perl_data");
807		1513
808	%$o = %{ Storable::thaw pack "H*", $value };	1514	sub do_load_sync {
		1515	my ($map) = @_;
		1516
		1517	cf::sync_job { $map->load };
		1518	}
		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
809	}	1541	}
810	}	1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
		1548	}
		1549
		1550	sub save {
		1551	my ($self) = @_;
		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
		1555	$self->{last_save} = $cf::RUNTIME;
		1556
		1557	return unless $self->dirty;
		1558
		1559	my $save = $self->save_path; utf8::encode $save;
		1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1561
		1562	$self->{load_path} = $save;
		1563
		1564	return if $self->{deny_save};
		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
		1572	if ($uniq) {
		1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1575	} else {
		1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
811	},	1577	}
812	);	1578	}
813		1579
814	#############################################################################	1580	sub swap_out {
		1581	my ($self) = @_;
815		1582
816	=head2 CORE EXTENSIONS	1583	# save first because save cedes
		1584	$self->save;
817		1585
818	Functions and methods that extend core crossfire objects.	1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
819		1587
820	=head3 cf::player	1588	return if $self->players;
		1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1590	return if $self->{deny_save};
		1591
		1592	$self->clear;
		1593	$self->in_memory (cf::MAP_SWAPPED);
		1594	}
		1595
		1596	sub reset_at {
		1597	my ($self) = @_;
		1598
		1599	# TODO: safety, remove and allow resettable per-player maps
		1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1601	return 1e99 if $self->{deny_reset};
		1602
		1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1605
		1606	$time + $to
		1607	}
		1608
		1609	sub should_reset {
		1610	my ($self) = @_;
		1611
		1612	$self->reset_at <= $cf::RUNTIME
		1613	}
		1614
		1615	sub reset {
		1616	my ($self) = @_;
		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
		1620	return if $self->players;
		1621	return if $self->isa ("ext::map_per_player");#d#
		1622
		1623	warn "resetting map ", $self->path;#d#
		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
		1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
		1638
		1639	$_->clear_links_to ($self) for values %cf::MAP;
		1640
		1641	$self->unlink_save;
		1642	$self->destroy;
		1643	}
		1644
		1645	my $nuke_counter = "aaaa";
		1646
		1647	sub nuke {
		1648	my ($self) = @_;
		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
		1656	$self->{deny_save} = 1;
		1657	$self->reset_timeout (1);
		1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
		1662	$self->reset; # polite request, might not happen
		1663	}
		1664
		1665	=item cf::map::unique_maps
		1666
		1667	Returns an arrayref of paths of all shared maps that have
		1668	instantiated unique items. May block.
		1669
		1670	=cut
		1671
		1672	sub unique_maps() {
		1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
		1675
		1676	my @paths;
		1677
		1678	for (@$files) {
		1679	utf8::decode $_;
		1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
		1684	}
		1685
		1686	\@paths
		1687	}
		1688
		1689	package cf;
		1690
		1691	=back
		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
821		1698
822	=over 4	1699	=over 4
823		1700
824	=item cf::player::exists $login	1701	=item $ob->inv_recursive
825		1702
826	Returns true when the given account exists.	1703	Returns the inventory of the object _and_ their inventories, recursively.
827		1704
828	=cut	1705	=cut
829		1706
830	sub cf::player::exists($) {	1707	sub inv_recursive_;
831	cf::player::find $_[0]	1708	sub inv_recursive_ {
832	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1709	map { $_, inv_recursive_ $_->inv } @_
833	}	1710	}
834		1711
835	=item $player->ext_reply ($msgid, $msgtype, %msg)	1712	sub inv_recursive {
836		1713	inv_recursive_ inv $_[0]
837	Sends an ext reply to the player.
838
839	=cut
840
841	sub cf::player::ext_reply($$$%) {
842	my ($self, $id, %msg) = @_;
843
844	$msg{msgid} = $id;
845
846	$self->send ("ext " . to_json \%msg);
847	}	1714	}
		1715
		1716	package cf;
848		1717
849	=back	1718	=back
850		1719
851	=head3 cf::object::player	1720	=head3 cf::object::player
852		1721
…		…
890	(ref $cf::CFG{"may_$access"}	1759	(ref $cf::CFG{"may_$access"}
891	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1760	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
892	: $cf::CFG{"may_$access"})	1761	: $cf::CFG{"may_$access"})
893	}	1762	}
894		1763
		1764	=item $player_object->enter_link
		1765
		1766	Freezes the player and moves him/her to a special map (C<{link}>).
		1767
		1768	The player should be reasonably safe there for short amounts of time. You
		1769	I<MUST> call C<leave_link> as soon as possible, though.
		1770
		1771	Will never block.
		1772
		1773	=item $player_object->leave_link ($map, $x, $y)
		1774
		1775	Moves the player out of the special C<{link}> map onto the specified
		1776	map. If the map is not valid (or omitted), the player will be moved back
		1777	to the location he/she was before the call to C<enter_link>, or, if that
		1778	fails, to the emergency map position.
		1779
		1780	Might block.
		1781
		1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
		1793
		1794	sub cf::object::player::enter_link {
		1795	my ($self) = @_;
		1796
		1797	$self->deactivate_recursive;
		1798
		1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1800
		1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1802	if $self->map;
		1803
		1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		1805	}
		1806
		1807	sub cf::object::player::leave_link {
		1808	my ($self, $map, $x, $y) = @_;
		1809
		1810	my $link_pos = delete $self->{_link_pos};
		1811
		1812	unless ($map) {
		1813	# restore original map position
		1814	($map, $x, $y) = @{ $link_pos || [] };
		1815	$map = cf::map::find $map;
		1816
		1817	unless ($map) {
		1818	($map, $x, $y) = @$EMERGENCY_POSITION;
		1819	$map = cf::map::find $map
		1820	or die "FATAL: cannot load emergency map\n";
		1821	}
		1822	}
		1823
		1824	($x, $y) = (-1, -1)
		1825	unless (defined $x) && (defined $y);
		1826
		1827	# use -1 or undef as default coordinates, not 0, 0
		1828	($x, $y) = ($map->enter_x, $map->enter_y)
		1829	if $x <=0 && $y <= 0;
		1830
		1831	$map->load;
		1832	$map->load_diag;
		1833
		1834	return unless $self->contr->active;
		1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		1838	$self->enter_map ($map, $x, $y);
		1839	}
		1840
		1841	cf::player->attach (
		1842	on_logout => sub {
		1843	my ($pl) = @_;
		1844
		1845	# abort map switching before logout
		1846	if ($pl->ob->{_link_pos}) {
		1847	cf::sync_job {
		1848	$pl->ob->leave_link
		1849	};
		1850	}
		1851	},
		1852	on_login => sub {
		1853	my ($pl) = @_;
		1854
		1855	# try to abort aborted map switching on player login :)
		1856	# should happen only on crashes
		1857	if ($pl->ob->{_link_pos}) {
		1858	$pl->ob->enter_link;
		1859	(async {
		1860	$pl->ob->reply (undef,
		1861	"There was an internal problem at your last logout, "
		1862	. "the server will try to bring you to your intended destination in a second.",
		1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
		1866	Coro::Timer::sleep 1;
		1867	$pl->ob->leave_link;
		1868	})->prio (2);
		1869	}
		1870	},
		1871	);
		1872
		1873	=item $player_object->goto ($path, $x, $y)
		1874
		1875	=cut
		1876
		1877	sub cf::object::player::goto {
		1878	my ($self, $path, $x, $y) = @_;
		1879
		1880	$self->enter_link;
		1881
		1882	(async {
		1883	my $map = eval {
		1884	my $map = cf::map::find $path;
		1885	$map = $map->customise_for ($self) if $map;
		1886	$map
		1887	} or
		1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1889
		1890	$self->leave_link ($map, $x, $y);
		1891	})->prio (1);
		1892	}
		1893
		1894	=item $player_object->enter_exit ($exit_object)
		1895
		1896	=cut
		1897
		1898	sub parse_random_map_params {
		1899	my ($spec) = @_;
		1900
		1901	my $rmp = { # defaults
		1902	xsize => (cf::rndm 15, 40),
		1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
		1906	};
		1907
		1908	for (split /\n/, $spec) {
		1909	my ($k, $v) = split /\s+/, $_, 2;
		1910
		1911	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1912	}
		1913
		1914	$rmp
		1915	}
		1916
		1917	sub prepare_random_map {
		1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
		1921
		1922	# all this does is basically replace the /! path by
		1923	# a new random map path (?random/...) with a seed
		1924	# that depends on the exit object
		1925
		1926	my $rmp = parse_random_map_params $exit->msg;
		1927
		1928	if ($exit->map) {
		1929	$rmp->{region} = $exit->region->name;
		1930	$rmp->{origin_map} = $exit->map->path;
		1931	$rmp->{origin_x} = $exit->x;
		1932	$rmp->{origin_y} = $exit->y;
		1933	}
		1934
		1935	$rmp->{random_seed} ||= $exit->random_seed;
		1936
		1937	my $data = cf::to_json $rmp;
		1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
		1940
		1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
		1945
		1946	$exit->slaying ("?random/$md5");
		1947	$exit->msg (undef);
		1948	}
		1949	}
		1950
		1951	sub cf::object::player::enter_exit {
		1952	my ($self, $exit) = @_;
		1953
		1954	return unless $self->type == cf::PLAYER;
		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
		1964
		1965	$self->enter_link;
		1966
		1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
		1969	unless (eval {
		1970	$self->goto ($slaying, $hp, $sp);
		1971
		1972	1;
		1973	}) {
		1974	$self->message ("Something went wrong deep within the crossfire server. "
		1975	. "I'll try to bring you back to the map you were before. "
		1976	. "Please report this to the dungeon master!",
		1977	cf::NDI_UNIQUE | cf::NDI_RED);
		1978
		1979	warn "ERROR in enter_exit: $@";
		1980	$self->leave_link;
		1981	}
		1982	})->prio (1);
		1983	}
		1984
895	=head3 cf::client	1985	=head3 cf::client
896		1986
897	=over 4	1987	=over 4
898		1988
899	=item $client->send_drawinfo ($text, $flags)	1989	=item $client->send_drawinfo ($text, $flags)
…		…
905		1995
906	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
907	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
908		1998
909	utf8::encode $text;	1999	utf8::encode $text;
910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
911	}	2001	}
912		2002
913		2003
914	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
915		2005
…		…
942	on_reply => sub {	2032	on_reply => sub {
943	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
944		2034
945	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
946	# get handled first	2036	# get handled first
947	my $queue = delete $ns->{query_queue};	2037	my $queue = delete $ns->{query_queue}
		2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
948		2039
949	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
950		2042
951	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
952		2044
953	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
954	if (@$queue) {	2046	if (@$queue) {
…		…
958	}	2050	}
959	}	2051	}
960	},	2052	},
961	);	2053	);
962		2054
963	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
964		2056
965	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
966	be automatically cancelled when the client gets destroyed (e.g. on logout,	2058	be automatically cancelled when the client gets destroyed (e.g. on logout,
967	or loss of connection).	2059	or loss of connection).
968		2060
969	=cut	2061	=cut
970		2062
971	sub cf::client::coro {	2063	sub cf::client::async {
972	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
973		2065
974	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
975	eval {
976	$cb->();
977	};
978	warn $@ if $@;
979	};
980		2067
981	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
982	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
983	});	2070	});
984		2071
…		…
1120	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1121	using it, it should be unique.	2208	using it, it should be unique.
1122		2209
1123	=over 4	2210	=over 4
1124		2211
1125	=item $hashref = cf::db_get $family
1126
1127	Return a hashref for use by the extension C<$family>, which can be
1128	modified. After modifications, you have to call C<cf::db_dirty> or
1129	C<cf::db_sync>.
1130
1131	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1132		2213
1133	Returns a single value from the database	2214	Returns a single value from the database.
1134
1135	=item cf::db_put $family => $hashref
1136
1137	Stores the given family hashref into the database. Updates are delayed, if
1138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1139		2215
1140	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1141		2217
1142	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1143	want the data to be synced to disk immediately, use C<cf::db_sync>.
1144
1145	=item cf::db_dirty
1146
1147	Marks the database as dirty, to be updated at a later time.
1148
1149	=item cf::db_sync
1150
1151	Immediately write the database to disk I<if it is dirty>.
1152		2219
1153	=cut	2220	=cut
1154		2221
1155	our $DB;	2222	our $DB;
1156		2223
1157	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1158	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1159		2243
1160	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1161	warn "loading database $path\n";#d# remove later	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1162	$DB = stat $path ? Storable::retrieve $path : { };	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
1163	}	2247	BDB::db_env_txn_checkpoint $DB_ENV;
1164		2248
1165	my $pid;	2249	unlink $path;
1166
1167	sub db_save() {
1168	warn "saving database $path\n";#d# remove later
1169	waitpid $pid, 0 if $pid;
1170	if (0 == ($pid = fork)) {
1171	$DB->{_meta}{version} = 1;
1172	Storable::nstore $DB, "$path~";
1173	rename "$path~", $path;
1174	cf::_exit 0 if defined $pid;
1175	}	2250	};
1176	}	2251	}
1177
1178	my $dirty;
1179
1180	sub db_sync() {
1181	db_save if $dirty;
1182	undef $dirty;
1183	}
1184
1185	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1186	db_sync;
1187	});	2252	}
		2253	}
1188		2254
1189	sub db_dirty() {
1190	$dirty = 1;
1191	$idle->start;
1192	}
1193
1194	sub db_get($;$) {	2255	sub db_get($$) {
1195	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1196	? $DB->{$_[0]}{$_[1]}
1197	: ($DB->{$_[0]} ||= { })
1198	}
1199		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1200	sub db_put($$;$) {	2266	sub db_put($$$) {
1201	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1202	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	Coro::cede;
		2296	}
		2297
		2298	while (my ($face, $info) = each %$faces) {
		2299	next unless $info->{smooth};
		2300	my $idx = cf::face::find $face
		2301	or next;
		2302	if (my $smooth = cf::face::find $info->{smooth}) {
		2303	cf::face::set_smooth $idx, $smooth;
1203	} else {	2304	} else {
1204	$DB->{$_[0]} = $_[1];	2305	warn "smooth face '$info->{smooth}' not found for face '$face'";
1205	}
1206	db_dirty;
1207	}
1208
1209	cf::global->attach (
1210	prio => 10000,
1211	on_cleanup => sub {
1212	db_sync;
1213	},	2306	}
1214	);	2307	Coro::cede;
1215	}	2308	}
1216		2309
1217	#############################################################################	2310	1
1218	# the server's main()	2311	}
		2312
		2313	sub reload_resources {
		2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2315	or die "unable to load regions file\n";#d#
		2316	load_faces
		2317	or die "unable to load faces\n";#d#
		2318	}
		2319
		2320	sub init {
		2321	reload_resources;
		2322	}
1219		2323
1220	sub cfg_load {	2324	sub cfg_load {
1221	open my $fh, "<:utf8", cf::confdir . "/config"	2325	open my $fh, "<:utf8", cf::confdir . "/config"
1222	or return;	2326	or return;
1223		2327
1224	local $/;	2328	local $/;
1225	*CFG = YAML::Syck::Load <$fh>;	2329	*CFG = YAML::Syck::Load <$fh>;
		2330
		2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2332
		2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2335
		2336	if (exists $CFG{mlockall}) {
		2337	eval {
		2338	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2339	and die "WARNING: m(un)lockall failed: $!\n";
		2340	};
		2341	warn $@ if $@;
		2342	}
1226	}	2343	}
1227		2344
1228	sub main {	2345	sub main {
		2346	# we must not ever block the main coroutine
		2347	local $Coro::idle = sub {
		2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2349	(async {
		2350	Event::one_event;
		2351	})->prio (Coro::PRIO_MAX);
		2352	};
		2353
1229	cfg_load;	2354	cfg_load;
1230	db_load;	2355	db_init;
1231	load_extensions;	2356	load_extensions;
		2357
		2358	$TICK_WATCHER->start;
1232	Event::loop;	2359	Event::loop;
1233	}	2360	}
1234		2361
1235	#############################################################################	2362	#############################################################################
1236	# initialisation	2363	# initialisation and cleanup
1237		2364
		2365	# install some emergency cleanup handlers
		2366	BEGIN {
		2367	for my $signal (qw(INT HUP TERM)) {
		2368	Event->signal (
		2369	reentrant => 0,
		2370	data => WF_AUTOCANCEL,
		2371	signal => $signal,
		2372	prio => 0,
		2373	cb => sub {
		2374	cf::cleanup "SIG$signal";
		2375	},
		2376	);
		2377	}
		2378	}
		2379
		2380	sub emergency_save() {
		2381	my $freeze_guard = cf::freeze_mainloop;
		2382
		2383	warn "enter emergency perl save\n";
		2384
		2385	cf::sync_job {
		2386	# use a peculiar iteration method to avoid tripping on perl
		2387	# refcount bugs in for. also avoids problems with players
		2388	# and maps saved/destroyed asynchronously.
		2389	warn "begin emergency player save\n";
		2390	for my $login (keys %cf::PLAYER) {
		2391	my $pl = $cf::PLAYER{$login} or next;
		2392	$pl->valid or next;
		2393	$pl->save;
		2394	}
		2395	warn "end emergency player save\n";
		2396
		2397	warn "begin emergency map save\n";
		2398	for my $path (keys %cf::MAP) {
		2399	my $map = $cf::MAP{$path} or next;
		2400	$map->valid or next;
		2401	$map->save;
		2402	}
		2403	warn "end emergency map save\n";
		2404
		2405	warn "begin emergency database checkpoint\n";
		2406	BDB::db_env_txn_checkpoint $DB_ENV;
		2407	warn "end emergency database checkpoint\n";
		2408	};
		2409
		2410	warn "leave emergency perl save\n";
		2411	}
		2412
		2413	sub post_cleanup {
		2414	my ($make_core) = @_;
		2415
		2416	warn Carp::longmess "post_cleanup backtrace"
		2417	if $make_core;
		2418	}
		2419
1238	sub _perl_reload() {	2420	sub reload() {
		2421	# can/must only be called in main
		2422	if ($Coro::current != $Coro::main) {
		2423	warn "can only reload from main coroutine";
		2424	return;
		2425	}
		2426
1239	warn "reloading...";	2427	warn "reloading...";
1240		2428
1241	eval {	2429	warn "entering sync_job";
1242	local $FREEZE = 1;
1243		2430
		2431	cf::sync_job {
		2432	cf::write_runtime; # external watchdog should not bark
1244	cf::emergency_save;	2433	cf::emergency_save;
		2434	cf::write_runtime; # external watchdog should not bark
1245		2435
1246	# cancel all watchers	2436	warn "syncing database to disk";
		2437	BDB::db_env_txn_checkpoint $DB_ENV;
		2438
		2439	# if anything goes wrong in here, we should simply crash as we already saved
		2440
		2441	warn "cancelling all WF_AUTOCANCEL watchers";
1247	for (Event::all_watchers) {	2442	for (Event::all_watchers) {
1248	$_->cancel if $_->data & WF_AUTOCANCEL;	2443	$_->cancel if $_->data & WF_AUTOCANCEL;
1249	}	2444	}
1250		2445
		2446	warn "flushing outstanding aio requests";
		2447	for (;;) {
		2448	BDB::flush;
		2449	IO::AIO::flush;
		2450	Coro::cede;
		2451	last unless IO::AIO::nreqs || BDB::nreqs;
		2452	warn "iterate...";
		2453	}
		2454
		2455	++$RELOAD;
		2456
1251	# cancel all extension coros	2457	warn "cancelling all extension coros";
1252	$_->cancel for values %EXT_CORO;	2458	$_->cancel for values %EXT_CORO;
1253	%EXT_CORO = ();	2459	%EXT_CORO = ();
1254		2460
1255	# unload all extensions	2461	warn "removing commands";
1256	for (@exts) {	2462	%COMMAND = ();
		2463
		2464	warn "removing ext commands";
		2465	%EXTCMD = ();
		2466
		2467	warn "unloading/nuking all extensions";
		2468	for my $pkg (@EXTS) {
1257	warn "unloading <$_>";	2469	warn "... unloading $pkg";
1258	unload_extension $_;	2470
		2471	if (my $cb = $pkg->can ("unload")) {
		2472	eval {
		2473	$cb->($pkg);
		2474	1
		2475	} or warn "$pkg unloaded, but with errors: $@";
1259	}	2476	}
1260		2477
		2478	warn "... nuking $pkg";
		2479	Symbol::delete_package $pkg;
		2480	}
		2481
1261	# unload all modules loaded from $LIBDIR	2482	warn "unloading all perl modules loaded from $LIBDIR";
1262	while (my ($k, $v) = each %INC) {	2483	while (my ($k, $v) = each %INC) {
1263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1264		2485
1265	warn "removing <$k>";	2486	warn "... unloading $k";
1266	delete $INC{$k};	2487	delete $INC{$k};
1267		2488
1268	$k =~ s/\.pm$//;	2489	$k =~ s/\.pm$//;
1269	$k =~ s/\//::/g;	2490	$k =~ s/\//::/g;
1270		2491
…		…
1273	}	2494	}
1274		2495
1275	Symbol::delete_package $k;	2496	Symbol::delete_package $k;
1276	}	2497	}
1277		2498
1278	# sync database to disk
1279	cf::db_sync;
1280	IO::AIO::flush;
1281
1282	# get rid of safe::, as good as possible	2499	warn "getting rid of safe::, as good as possible";
1283	Symbol::delete_package "safe::$_"	2500	Symbol::delete_package "safe::$_"
1284	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1285		2502
1286	# remove register_script_function callbacks
1287	# TODO
1288
1289	# unload cf.pm "a bit"	2503	warn "unloading cf.pm \"a bit\"";
1290	delete $INC{"cf.pm"};	2504	delete $INC{"cf.pm"};
1291		2505
1292	# don't, removes xs symbols, too,	2506	# don't, removes xs symbols, too,
1293	# and global variables created in xs	2507	# and global variables created in xs
1294	#Symbol::delete_package __PACKAGE__;	2508	#Symbol::delete_package __PACKAGE__;
1295		2509
1296	# reload cf.pm	2510	warn "unload completed, starting to reload now";
		2511
1297	warn "reloading cf.pm";	2512	warn "reloading cf.pm";
1298	require cf;	2513	require cf;
1299	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1300		2515
1301	# load config and database again	2516	warn "loading config and database again";
1302	cf::cfg_load;	2517	cf::cfg_load;
1303	cf::db_load;
1304		2518
1305	# load extensions
1306	warn "load extensions";	2519	warn "loading extensions";
1307	cf::load_extensions;	2520	cf::load_extensions;
1308		2521
1309	# reattach attachments to objects	2522	warn "reattaching attachments to objects/players";
1310	warn "reattach";	2523	_global_reattach; # objects, sockets
1311	_global_reattach;	2524	warn "reattaching attachments to maps";
		2525	reattach $_ for values %MAP;
		2526	warn "reattaching attachments to players";
		2527	reattach $_ for values %PLAYER;
		2528
		2529	warn "loading reloadable resources";
		2530	reload_resources;
		2531
		2532	warn "leaving sync_job";
		2533
		2534	1
		2535	} or do {
		2536	warn $@;
		2537	warn "error while reloading, exiting.";
		2538	exit 1;
1312	};	2539	};
1313	warn $@ if $@;
1314		2540
1315	warn "reloaded";	2541	warn "reloaded";
1316	};	2542	};
1317		2543
1318	sub perl_reload() {	2544	our $RELOAD_WATCHER; # used only during reload
1319	_perl_reload;
1320	}
1321		2545
1322	register "<global>", __PACKAGE__;
1323
1324	register_command "perl-reload" => sub {	2546	register_command "reload" => sub {
1325	my ($who, $arg) = @_;	2547	my ($who, $arg) = @_;
1326		2548
1327	if ($who->flag (FLAG_WIZ)) {	2549	if ($who->flag (FLAG_WIZ)) {
1328	$who->message ("reloading...");	2550	$who->message ("reloading server.");
1329	_perl_reload;	2551
		2552	# doing reload synchronously and two reloads happen back-to-back,
		2553	# coro crashes during coro_state_free->destroy here.
		2554
		2555	$RELOAD_WATCHER ||= Event->timer (
		2556	reentrant => 0,
		2557	after => 0,
		2558	data => WF_AUTOCANCEL,
		2559	cb => sub {
		2560	reload;
		2561	undef $RELOAD_WATCHER;
		2562	},
		2563	);
1330	}	2564	}
1331	};	2565	};
1332		2566
1333	unshift @INC, $LIBDIR;	2567	unshift @INC, $LIBDIR;
		2568
		2569	my $bug_warning = 0;
1334		2570
1335	$TICK_WATCHER = Event->timer (	2571	$TICK_WATCHER = Event->timer (
1336	reentrant => 0,	2572	reentrant => 0,
		2573	parked => 1,
1337	prio => 0,	2574	prio => 0,
1338	at => $NEXT_TICK || $TICK,	2575	at => $NEXT_TICK || $TICK,
1339	data => WF_AUTOCANCEL,	2576	data => WF_AUTOCANCEL,
1340	cb => sub {	2577	cb => sub {
1341	unless ($FREEZE) {	2578	if ($Coro::current != $Coro::main) {
		2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2580	unless ++$bug_warning > 10;
		2581	return;
		2582	}
		2583
		2584	$NOW = Event::time;
		2585
1342	cf::server_tick; # one server iteration	2586	cf::server_tick; # one server iteration
1343	$RUNTIME += $TICK;	2587	$RUNTIME += $TICK;
1344	}
1345
1346	$NEXT_TICK += $TICK;	2588	$NEXT_TICK += $TICK;
		2589
		2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2591	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2592	Coro::async_pool {
		2593	write_runtime
		2594	or warn "ERROR: unable to write runtime file: $!";
		2595	};
		2596	}
		2597
		2598	$WAIT_FOR_TICK->broadcast;
		2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2600
		2601	# my $AFTER = Event::time;
		2602	# warn $AFTER - $NOW;#d#
1347		2603
1348	# if we are delayed by four ticks or more, skip them all	2604	# if we are delayed by four ticks or more, skip them all
1349	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1350		2606
1351	$TICK_WATCHER->at ($NEXT_TICK);	2607	$TICK_WATCHER->at ($NEXT_TICK);
1352	$TICK_WATCHER->start;	2608	$TICK_WATCHER->start;
1353	},	2609	},
1354	);	2610	);
1355		2611
		2612	{
		2613	BDB::max_poll_time $TICK * 0.1;
		2614	$BDB_POLL_WATCHER = Event->io (
		2615	reentrant => 0,
		2616	fd => BDB::poll_fileno,
		2617	poll => 'r',
		2618	prio => 0,
		2619	data => WF_AUTOCANCEL,
		2620	cb => \&BDB::poll_cb,
		2621	);
		2622	BDB::min_parallel 8;
		2623
		2624	BDB::set_sync_prepare {
		2625	my $status;
		2626	my $current = $Coro::current;
		2627	(
		2628	sub {
		2629	$status = $!;
		2630	$current->ready; undef $current;
		2631	},
		2632	sub {
		2633	Coro::schedule while defined $current;
		2634	$! = $status;
		2635	},
		2636	)
		2637	};
		2638
		2639	unless ($DB_ENV) {
		2640	$DB_ENV = BDB::db_env_create;
		2641
		2642	cf::sync_job {
		2643	eval {
		2644	BDB::db_env_open
		2645	$DB_ENV,
		2646	$BDB_ENV_DIR,
		2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2649	0666;
		2650
		2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2652
		2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2654	$DB_ENV->set_lk_detect;
		2655	};
		2656
		2657	cf::cleanup "db_env_open(db): $@" if $@;
		2658	};
		2659	}
		2660	}
		2661
		2662	{
		2663	IO::AIO::min_parallel 8;
		2664
		2665	undef $Coro::AIO::WATCHER;
1356	IO::AIO::max_poll_time $TICK * 0.2;	2666	IO::AIO::max_poll_time $TICK * 0.1;
1357		2667	$AIO_POLL_WATCHER = Event->io (
1358	Event->io (fd => IO::AIO::poll_fileno,	2668	reentrant => 0,
1359	poll => 'r',
1360	prio => 5,
1361	data => WF_AUTOCANCEL,	2669	data => WF_AUTOCANCEL,
		2670	fd => IO::AIO::poll_fileno,
		2671	poll => 'r',
		2672	prio => 6,
1362	cb => \&IO::AIO::poll_cb);	2673	cb => \&IO::AIO::poll_cb,
		2674	);
		2675	}
1363		2676
1364	# we must not ever block the main coroutine	2677	END { cf::emergency_save }
1365	$Coro::idle = sub {
1366	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
1367	warn "FATAL: Coro::idle was called, major BUG\n";
1368	(Coro::unblock_sub {
1369	Event::one_event;
1370	})->();
1371	};
1372		2678
1373	1	2679	1
1374		2680

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